diff --git a/generic-pc/init.cpp b/generic-pc/init.cpp
index c26048b..f3493b8 100644
--- a/generic-pc/init.cpp
+++ b/generic-pc/init.cpp
@@ -1,4 +1,5 @@
 #include <cstring>
+#include <cstdlib>
 #include <unistd.h>
 
 #include "init_lib.h"
@@ -50,5 +51,6 @@ void shutdown_td_api()
 	lt_info("%s, initialized = %d\n", __func__, (int)initialized);
 	if (glfb)
 		delete glfb;
+	glfb = NULL;
 	initialized = false;
 }